Enable async-await feature in iced_futures

Author: hecrj

futures/Cargo.toml

@@ -24,7 +24,7 @@ thread-pool = ["futures/thread-pool"]
 iced_core.workspace = true
 
 futures.workspace = true
-futures.features = ["std"]
+futures.features = ["std", "async-await"]
 
 log.workspace = true
 rustc-hash.workspace = true

src/lib.rs

@@ -487,8 +487,8 @@ pub use iced_futures::stream;
     feature = "smol"
 )))]
 compile_error!(
-    "No futures executor has been enabled! You must enable an
-    executor feature.\n
+    "No futures executor has been enabled! You must enable an \
+    executor feature.\n\
     Available options: thread-pool, tokio, or smol."
 );